Registered patent agent

David M Ishimaru

USPTO Reg. 47676

Firm

Workday Inc.

Address

6230 Stoneridge Mall Road

Plesanton, CA, 94588

US

Phone

Registered as

Registered patent agent

Frequently asked

Frequently asked about David M Ishimaru

  • Is David M Ishimaru a registered patent attorney?

    David M Ishimaru is a registered patent agent (USPTO Registration Number 47676). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is David M Ishimaru located?

    David M Ishimaru's office is in Plesanton, California (94588). Affiliated with Workday Inc..

  • What firm does David M Ishimaru work at?

    David M Ishimaru is listed as affiliated with Workday Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact David M Ishimaru?

    David M Ishimaru's office phone (per the USPTO public roster) is 408-204-6154. Verify availability and intake details directly with the firm before sending privileged materials.

  • Should I prepare anything before contacting a patent attorney?

    Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.

Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.

build 4315ed5 · 2026-05-22 19:50 EDT